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Severe Thunderstorm Warning

Status

New Event Expired

Start Time

Tue 07/01/2025 06:23 PM EDT

End Time

Tue 07/01/2025 07:30 PM EDT

Significance

Warning

Storm Location

6 mi ESE of Keystone, SD

Storm Motion

Moving SSE at 17 mph

Impacts

High impact

Hail threatradar indicated
Max hail size1.50 in
Wind threatradar indicated
Max wind gust<50 mph

Locations Affected

Hermosa, SD ∙ Fairburn, SD

Full Alert Message

BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Rapid City SD 423 PM MDT Tue Jul 1 2025 The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... Northeastern Custer County in southwestern South Dakota... South central Pennington County in west central South Dakota... * Until 530 PM MDT. * At 423 PM MDT, a severe thunderstorm was located over Hayward, or 13 miles east of Hill City, moving southeast at 15 mph. HAZARD...Ping pong ball size hail. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect damage to roofs, siding, windows, and vehicles. * Locations impacted include... Hermosa, Fairburn, Hayward, and northeastern Custer State Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4389 10341 4395 10326 4374 10292 4360 10329 TIME...MOT...LOC 2223Z 332DEG 15KT 4387 10331 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH